Fish screen



this preferred form of the invention, I desire it to be understood that l-do-not intend to limit myself to these, but that any such may be used as will fall within the scope of the invention as claimed.

I claim l. The combination with a waterway, of a screened cylinder rotatably carried between the sides thereof and above the bottom, paddle blades on the cylinder for rotation thereof, arcuate screened guards pivoted to the periphery of said Cylinder to swing outwardly' therefrom on descent and engage the bottom of the waterway, a vertical guide in said waterway and bowed outwardly of the cylinder tov engage successive guards for gradual lowering thereof, and abutments on the bottom of the waterway adjacent said guide to engage and retain successive guards in raised position during an appreciable rotation of the cylinder.

2. The combination with 'a waterway, of a screened cylinder rotatably carried between the sides thereof and above the bottom, a. plurality of paddle blades in said cylinder, arcuate screened guards pivoted to the periphery of the cylinder above said paddle blades and arranged to swing outwardly of the cylinder on descent to engage along the bottom of the waterway in such manner that a pair will be engaged at the same time, a vertical rod supported in the waterway in spaced relationfrom the cylinder and bowed to engage successive guards for gradual lowering thereof and abutments on the bottom of the waterway adjacent said rod to engage and retain one guard of each paddle blades and arranged to swing outf wardly of the cylinder on descent to engage along the bottom of thewater-way in such relation that a pair of said guards will be engaged at the same time, a vertical rod mounted in the water-way in spaced relation from the cylinder, and bowed outwardly of said cylinder intermediate its ends to permit a gradual lowering of successive :guards, and spaced vertical abutments on the bottom of the Water-way adjacent the bottom of said rod and extending slightly beneath the cylinder whereby to engage and retain one guard of each successive pair in raised position during an appreciable rotation of the cylinder.

In testimony whereof I affix my signature 0. H. RH'U'DY. 

